CN211239448U - Self-healing intelligent distributed power distribution automation terminal - Google Patents
Self-healing intelligent distributed power distribution automation terminal Download PDFInfo
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- CN211239448U CN211239448U CN201921549596.5U CN201921549596U CN211239448U CN 211239448 U CN211239448 U CN 211239448U CN 201921549596 U CN201921549596 U CN 201921549596U CN 211239448 U CN211239448 U CN 211239448U
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- 238000005259 measurement Methods 0.000 claims description 15
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
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- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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Abstract
The utility model discloses a self-healing type intelligence distributing automation terminal, distributing automation terminal including synthesize observe and control communication module and respectively with synthesize at least one intelligent power distribution terminal that observes and controls communication module and connect, intelligent power distribution terminal include the core treater and respectively with communication module, electric quantity sampling module, DO that the core treater is connected open the module and DI opens the module, still include the power module for each module power supply, every communication module in the intelligent power distribution terminal respectively with this intelligent power distribution terminal in synthesize observe and control communication module information interaction. The utility model provides a tradition rely on the operating condition information of the storage switch node of distribution main website monitoring, collection, alleviateed the work load of distribution main website, improved work efficiency.
Description
Technical Field
The utility model relates to a distribution automation technical field, concretely relates to self-healing type intelligence distributing type distribution automation terminal.
Background
At present, electric power systems in China form electric energy production, transmission, distribution and consumption systems consisting of links such as power generation, power transformation, power transmission, power distribution and power utilization, the power distribution is directly connected with the power utilization link, and the reliability and the power supply quality of power utilization of end users are directly influenced by the quality of the power distribution link. However, for a long time, the problems of low power distribution automation degree of a power system, long power failure time of a user, difficult fault location, difficult power supply recovery and the like are not really solved. The traditional distribution automation mode adopts a 'main station + communication + terminal' three-in-one mode to realize basic monitoring of a distribution network automation function, but the traditional distribution automation mode mainly depends on a main station system to realize the judgment of a distribution network feeder fault type and a fault area, the removal of fault protection actions, the isolation of a fault section, the recovery of power supply in a non-fault section, the transfer of line load, the remote measurement of remote signaling information, the uploading of SOE (service on equipment) events to the main station and the like, and the traditional distribution automation technology has certain time delay on the control and data processing of a distribution network, cannot meet the requirements of sensitive loads of factories, hospitals and the like, and needs to be optimized and improved as soon as possible.
SUMMERY OF THE UTILITY MODEL
Based on prior art's is not enough, the utility model provides a self-healing type intelligence distributing type distribution automation terminal, the distribution automation degree of solving traditional electric power system is not high, user's power off time is long, the fault location is difficult and the difficult scheduling problem of power supply recovery improves distribution network feeder automation degree, improves distribution system reliability and power supply quality.
The technical scheme of the utility model is that:
the utility model provides a self-healing type intelligence distributed power distribution automation terminal which characterized in that: the intelligent power distribution terminal comprises a core processor, a communication module, an electric quantity sampling module, a DO (data only) output module, a DI (direct input) input module and a power module for supplying power to the modules, wherein the communication module in each intelligent power distribution terminal is in information interaction with the comprehensive measurement and control communication module in the intelligent power distribution terminal; the intelligent power distribution system comprises an electric quantity sampling module, a core processor, a comprehensive measurement and control communication module and a DI (digital interface) switching-in module, wherein the electric quantity sampling module is used for acquiring the running condition of each node on a power distribution line, the core processor is used for cutting off and isolating a fault point through a DO (data only) switching-out module when a certain node fails, and transmitting switching-in node information of the fault point correlated with the DO switching-out module to the comprehensive measurement and control communication module through the communication module, and the comprehensive measurement and control communication module is used for controlling and switching on/off nodes of the DI switching-in module which is in communication connection with the comprehensive measurement and control communication module and is electrically correlated with the fault point or/and is controlled by;
the core processor and the communication module are based on an IEC61850 data model and data transmission.
Further, the core processor employs a 32-bit ARM processor.
Furthermore, the power module unit supplies power by adopting a 220V double-power switching mode, supplies a working power supply to the system after voltage reduction and conversion through the power transformer, generates 3.3V/5V voltage through the DC/DC direct current converter for the core processor and the liquid crystal display module to work, and converts DC24V voltage for the I/O output and input module to work.
Further, the LCD device also comprises an LCD module which comprises an STM32 series processing chip connected with the core processor, and an LCD display and a keyboard respectively connected with the processing chip.
Further, the core processor is also connected with a FLASH memory.
Furthermore, the core processor is also connected with a DDR random access memory.
Further, the communication module adopts a 4G module.
The utility model has the advantages that: the utility model discloses an each intelligent distribution terminal in self-healing type intelligence distributed distribution automation terminal all with synthesize observing and controlling communication module communication connection, intelligent distribution terminal is in charge of electric node control work, still be responsible for the realization of communication function, and synthesize the observing and controlling module and only be responsible for communication function, communicate each intelligent distribution terminal together, when the circuit breaks down, synthesize the observing and controlling module and synthesize the switch node of allotting each intelligent distribution terminal, the operating condition information of the storage switch node that traditional dependence distribution main website monitored, collected has been solved, the work load of distribution main website has been alleviateed, work efficiency has been improved;
drawings
Fig. 1 is a block diagram of a hardware structure of the intelligent power distribution terminal of the present invention;
fig. 2 is a single-node model structure diagram of a self-healing intelligent distributed power distribution automation terminal;
fig. 3 is a self-healing intelligent distributed power distribution automation terminal field application case.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A self-healing intelligent distributed power distribution automation terminal comprises a comprehensive measurement and control communication module and at least one intelligent power distribution terminal connected with the comprehensive measurement and control communication module respectively, as shown in figure 1, the intelligent power distribution terminal comprises a core processor, a communication module, an electric quantity sampling module, a DO (data only) switching-out module and a DI (digital input/output) switching-in module which are connected with the core processor respectively, and a power supply module for supplying power to each module, wherein the communication module in each power distribution terminal unit is in information interaction with the comprehensive measurement and control communication module in the power distribution terminal module respectively; the utility model discloses a distribution lines, including the distribution lines, electric quantity sampling module, DO module, communication module, comprehensive observing and controlling communication module, electric quantity sampling module is used for gathering the behavior of each node on the distribution lines, when a certain node breaks down, under the control of core processor, it cuts off and keeps apart the fault point to open out the module through the DO, and open out the node information of the DO that the fault point is correlated with and transmit to comprehensive observing and controlling communication module through communication module, comprehensive observing and controlling communication module through control with switch with this comprehensive observing and controlling communication module communication connection and with the switch node that the DI that this intelligent power distribution terminal except this intelligent power distribution terminal control opened into the module of fault point electrical correlation, realize the fault conversion of fault point. The core processor and the communication module are based on an IEC61850 data model and data transmission. The core processor employs a 32-bit ARM processor. The power module unit supplies power by adopting a mode of switching 220V double power supplies, supplies a working power supply to the system after voltage reduction and conversion of a power transformer, generates 3.3V/5V voltage through a DC/DC direct current converter for the core processor and the liquid crystal display module to work, and converts DC24V voltage for the I/O output and input module to work. The liquid crystal display module comprises an STM32 series processing chip connected with the core processor, and an LCD display and a keyboard respectively connected with the processing chip. The core processor is also connected with a FLASH memory. The core processor is also connected with a DDR random access memory. The communication module adopts a 4G module.
As shown in fig. 2, the self-healing intelligent distributed power distribution automation terminal single-node model is based on the IEC61850 communication protocol. The switch SW needs to be connected with other switches on two sides, so that the connection areas on two sides of the switch SW are defined as an M side and an N side respectively, and the self-healing intelligent distributed power distribution automation terminal carries out logic design according to the maximum 3 branch switch nodes on each side. For the first and last switches, there are 1-side and only 1-side nodes on the M-side and N-side.
Fig. 3 is an application example of a self-healing intelligent distributed power distribution automation terminal in a logic function of protecting each fault point in a network, where a K1 fault: the two sides of all the section switches are provided with press-fit positions, and the two sides of the interconnection switch are provided with press-fit positions; in a fault state (M06, M05, M04 and F04 apply fault current and are larger than a fixed value, the fault current is removed after the F07 is tripped), the F04 switch is tripped, and M04 does not trip. K2 failure: the two sides of all the section switches are provided with press-fit positions, and the two sides of the interconnection switch are provided with press-fit positions; in a fault state (the fault current applied by M06, M05 and M04 is greater than a fixed value, and the fault current is removed after the M04 is tripped), the M04 fault isolation acts, and M03 and M10 are not started to communicate with closing. K3 failure: the two sides of all the section switches are provided with press-fit positions, and the two sides of the interconnection switch are provided with press-fit positions; in a fault state (fault current is applied by M06 and M05 and is larger than a fixed value, the fault current is removed after M04 and M05 are tripped), M04 and M05 are tripped in fault isolation, and the contact switches with higher priorities of M03 and M10 are switched on after time delay. K4 failure: the two sides of all the section switches are provided with press-fit positions, and the two sides of the interconnection switch are provided with press-fit positions; in a fault state (the fault current is applied by M06 and F06 and is larger than a fixed value, and the fault current is removed after F06 is tripped), F06 carries out overcurrent action, and M05 and M06 do not trip. K5 failure: the two sides of all the section switches are provided with press-fit positions, and the two sides of the interconnection switch are provided with press-fit positions; in a fault state (the fault current is applied by the M06 and is larger than a fixed value, the fault current is removed after the M05 and the M06 are tripped), the M05 and the M06 are subjected to fault isolation tripping, and the interconnection switches with higher priorities of M03 and M10 are switched on after time delay. K6 failure: the two sides of all the section switches are provided with press-fit positions, and the two sides of the interconnection switch are provided with press-fit positions; in a fault state (when the first switch M06 is in a voltage loss state, and the fault is isolated after the M06 is tripped), the M06 is tripped in a fault isolation mode, and the interconnection switch with the higher priority of M03 and M10 is switched on after time delay.
The self-healing intelligent distributed distribution automation terminal utilizes an IEC61850 data model, a fault topology modeling technology, a high-speed Ethernet and the like, a peer-to-peer communication technology based on GOOSE is adopted, a distributed feeder automation technology is adopted, the automation level of an intelligent distribution network is improved, the operation of the distribution network is monitored through intelligent monitoring and automation devices, the distribution terminal with the intelligent distributed feeder automation function and corresponding communication equipment can be independent of a distribution main station, once a fault occurs, the distribution automation functions of fast fault positioning of a feeder line, fault removal and isolation, power supply recovery in a non-fault area and the like are automatically realized through mutual communication between comprehensive measurement and control modules, the self-healing capacity of the intelligent distribution network is improved, the system is enabled to be recovered to a safe and stable operation state as soon as possible, and a processing process and a result are reported to the distribution automation main station. The problems that the traditional power system is low in power distribution automation degree, long in user power failure time, difficult in fault location, difficult in power supply recovery and the like are solved, and the method is a main technical means for improving the reliability of the power distribution network feeder automation degree and the power supply quality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a self-healing type intelligence distributed power distribution automation terminal which characterized in that: the intelligent power distribution terminal comprises a core processor, a communication module, an electric quantity sampling module, a DO (data only) output module, a DI (direct input) input module and a power module for supplying power to the modules, wherein the communication module in each intelligent power distribution terminal is in information interaction with the comprehensive measurement and control communication module in the intelligent power distribution terminal; the intelligent power distribution system comprises an electric quantity sampling module, a core processor, a comprehensive measurement and control communication module and a DI (digital interface) switching module, wherein the electric quantity sampling module is used for acquiring the running condition of each node on a power distribution line, the core processor is used for cutting off and isolating a fault point through a DO (data only) opening module when a certain node fails, and transmitting switching node information of the fault point correlated with the DO opening module to the comprehensive measurement and control communication module through the communication module, and the comprehensive measurement and control communication module is used for switching the switching node of the DI opening module controlled by an intelligent power distribution terminal or/and the intelligent power distribution terminal except the intelligent power distribution terminal according to control and switching, wherein the intelligent power distribution terminal is in communication connection with the comprehensive measurement;
the core processor and the communication module are based on an IEC61850 data model and data transmission.
2. The self-healing intelligent distributed power distribution automation terminal of claim 1, characterized in that: the core processor employs a 32-bit ARM processor.
3. The self-healing intelligent distributed power distribution automation terminal of claim 1, characterized in that: the power module unit supplies power by adopting a mode of switching 220V double power supplies, supplies a working power supply to the system after voltage reduction and conversion of a power transformer, generates 3.3V/5V voltage through a DC/DC direct current converter for the core processor and the liquid crystal display module to work, and converts DC24V voltage for the I/O output and input module to work.
4. The self-healing intelligent distributed power distribution automation terminal of claim 1, characterized in that: the LCD device further comprises an LCD module, wherein the LCD module comprises an STM32 series processing chip connected with the core processor, and an LCD display and a keyboard respectively connected with the processing chip.
5. The self-healing intelligent distributed power distribution automation terminal of claim 1, characterized in that: the core processor is also connected with a FLASH memory.
6. The self-healing intelligent distributed power distribution automation terminal of claim 1, characterized in that: the core processor is also connected with a DDR random access memory.
7. The self-healing intelligent distributed power distribution automation terminal of claim 1, characterized in that: the communication module adopts a 4G module.
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| CN201921549596.5U CN211239448U (en) | 2019-09-18 | 2019-09-18 | Self-healing intelligent distributed power distribution automation terminal |
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| CN201921549596.5U CN211239448U (en) | 2019-09-18 | 2019-09-18 | Self-healing intelligent distributed power distribution automation terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474430A (en) * | 2019-09-18 | 2019-11-19 | 珠海欧力配网自动化股份有限公司 | A kind of intelligent distributed distribution power automation terminal of self-cure type and its system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474430A (en) * | 2019-09-18 | 2019-11-19 | 珠海欧力配网自动化股份有限公司 | A kind of intelligent distributed distribution power automation terminal of self-cure type and its system |
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Address after: 519000, Floors 101-1 and 2-4, Building 8, No. 81 Dingye Road, Tangjiawan Town, High tech Zone, Zhuhai City, Guangdong Province Patentee after: ZHUHAI OLE DISTRIBUTION NETWORK AUTOMATION CO.,LTD. Country or region after: China Address before: Building 5, No. 88 Keji 9th Road, High tech Zone, Zhuhai City, Guangdong Province, 519000 Patentee before: ZHUHAI OLE DISTRIBUTION NETWORK AUTOMATION CO.,LTD. Country or region before: China |